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Identifying Variables in the scientific method Flashcards | StudBud
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Identifying Variables in the scientific method
Identifying Variables in the scientific method
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1
The dependent variable
describes the cause, what is changed by scientists.
is used to compare with the experimental group
describes the effect of testing, the out come.
2
A conclusion is
the third step in the scientific method
an observation based upon sight
based upon facts and testing.
used to make a hypothesis
3
In graphing the X axis contains
the dependent variable
the indepenent variable
the control
4
What basketball bounces the highest? What's the independent variable?
The height it bounces.
The basketball.
The brand of the ball.
How many basketballs used.
5
Identify the dependent variable based on the following graph title
Sunlight
Type of Bacteria
Disenfectant
Bacterial Growth
6
Identify a hypothesis written in the correct format:
If plant B is exposed to no music it will grow the most
If plant A is exposed to classical music then it will have the most growh
Plant B will grow the most
Plant A will grow the most
7
The control of an experiment
is what scientists change in an experiment
is what is observed and measured
is used to compare with the experimental group
8
Does fertilizer make a plant grow bigger? What would be a constant?
sunlight
plants without fertilizer
same amount of fertilizer
Growth of the plant (measured by its height.)
9
What shoes have the best traction? Whats the dependent variable?
traction
Shoe brand
Under Armor
How it's the shoes made
10
A good hypothesis must
Make a prediction
Be based in logical observations
Be testable
All the above
11
Identify the experimental group:
Plant A
Plant B
Number of tomatoes
Music
12
To see if texting while driving increases accidents, the dependent variable is
the number of drivers in the study
the accident rate
2 groups - the one not texting
texting while driving
13
A control group helps an experiment because it give the scientist
More participants
None of the above
More work
A group to compare experimental results to
14
In a controlled experiment how many variables should be tested?
three
all of the above
two
one
15
To see if texting while driving increases accidents, the independent variable is
the number of drivers in the study
texting while driving
the accident rate
2 groups - the one not texting
16
What basketball bounces the highest? Whats the Dependent variable?
How many basketballs used.
The size of the basketball.
The height it bounces.
The brand of the ball.
17
Identify the control group in the experiment:
Music
Plant A
Number of tomatoes
Plant B
18
In graphing the y axis contains
the control
the indepenent variable
the dependent variable
19
Identify the independent variable based on the following graph title
Disenfectant
Sunlight
Bacterial Growth
Type of Bacteria
20
Does fertilizer make a plant grow bigger? What would be the control group?
plants without fertilizer
fertilizer
sunlight
Growth of the plant (measured by its height.)
21
Identify two constants:
there are no constants
same amount of food
music provided
same amount of water
22
What shoes have the best traction? Whats the independent variable?
Nike
How it's the shoes made
Shoe brand
Under Armor
23
Does fertilizer make a plant grow bigger? What would be the experimental group?
plants without fertilizer
plants with fertilizer
sunlight
Growth of the plant (measured by its height.)
24
Select the correctly written hypothesis
If you train dogs more they might be better.
Dogs are friendly
What happens if you train dogs?
If you treat dogs well, then they will be friendly.
25
Does fertilizer make a plant grow bigger? What would be the independent variable?
temperature of the water.
fertilizer
Growth of the plant (measured by its height.)
sunlight
26
Does fertilizer make a plant grow bigger? What would be the dependent variable?
temperature of the water.
Growth of the plant (measured by its height.)
fertilizer
sunlight